docs: def GetWaveSet(self):
          """Return the wavelength set that optimally samples the Gaussian curve.
          It has 101 values, as defined below:
  
          .. math::
  
              x_{\\textnormal{first,last}} = x_{0} \\; \\pm \\; 5 \\; \\sigma
  
              \\delta x = 0.1 \\; \\sigma
  
          Returns
          -------
          waveset : array_like
              Wavelength set in internal unit.
  
          """
          increment = 0.1*self.sigma
          first = self.center - 50.0*increment
          last = self.center + 50.0*increment
          waveset = N.arange(first, last, increment)
          return self._input_wave_units.Convert(waveset, 'angstrom')